| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 301 | White Operating Co., L.L.C. | Oil & Gas Operator | Oct 2019 | |
| 302 | Will-Drill Operating, L.L.C. | Shreveport, LA 71105 | Oil & Gas Operator | May 2024 |
| 303 | Will-Drill Production Co., Inc. | Shreveport, LA 71105 | Oil & Gas Operator | May 2024 |
| 304 | Windsor Gas Corporation | Oil & Gas Operator | Aug 1989 | |
| 305 | Womack & Nelson | Gas Operator | Feb 1987 | |
| 306 | Woods & Deas | Oil & Gas Operator | Jan 1984 | |
| 307 | Woods Operating Co., Inc. | Shreveport, LA 71136 | Oil & Gas Operator | Dec 2020 |
| 308 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 309 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | May 2024 |
| 310 | Zadeck Energy Group Inc | Oil & Gas Operator | Jun 2013 |